The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 23, 2021
Filed:
Nov. 21, 2018
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, KR;
Inventors:
Ming-Zi Hong, Yongin-si, KR;
Ki-Hyun Kim, Yongin-si, KR;
Do-Hyung Park, Yongin-si, KR;
Jung-Min Han, Yongin-si, KR;
Jae-Ho Lee, Yongin-si, KR;
Assignee:
SAMSUNG SDI CO., LTD., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/02 (2006.01); H01M 4/62 (2006.01); H01M 4/36 (2006.01); H01M 4/525 (2010.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/628 (2013.01); H01M 4/366 (2013.01); H01M 4/525 (2013.01); H01M 10/052 (2013.01); H01M 2004/028 (2013.01);
Abstract
A positive active material for a rechargeable lithium battery including a lithium metal compound and a phosphorus (P)-containing compound on the surface of the lithium metal compound. A content of phosphorus (P) of the phosphorus-containing compound is about 0.1 atom % to about 10 atom % based on the total amount of elements on the surface of the positive active material. A method of preparing the same and rechargeable lithium battery including the same are also provided.